'Associated hair structures' presentation slideshows

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Chapter 4 Skin and Body Membranes Anatomy

Chapter 4 Skin and Body Membranes Anatomy. Essentials of Human Anatomy & Physiology, 7 th ed. by Elaine N. Marieb. Skin and Body Membranes: Integumentary System, Anatomy. Skin = cutaneous membrane = integument = epidermis + dermis Integumentary System = Skin + skin derivatives

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Normal Skin Color Determinants

Melanin Yellow, brown, or black pigments Carotene Orange-yellow pigment from some vegetables Hemoglobin Red coloring from blood cells in dermis capillaries Oxygen content determines the extent of red coloring. Normal Skin Color Determinants.

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Appendages of the Skin

Appendages of the Skin. Hair Produced by hair bulb Consists of hard keratinized epithelial cells Melanocytes provide pigment for hair color. Figure 4.7c. Hair Anatomy. Central medulla Cortex surrounds medulla Cuticle on outside of cortex Most heavily keratinized. Figure 4.7b.

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